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Summary

Just before the summer holiday, while his classmate is excited to have a girlfriend, Tomorou has none. He is smart and handsome but lacks something. He has an old friend, Chiharu, but he isn't interested in her. One day, Chiharu's mother asks Tomorou to hand over a shopping list memo to Chiharu because she left it at home. After school, he goes to her classroom but Chiharu isn't there. According to her classmate, she is on the roof. He goes there and see Chiharu having sex with other students. Chiharu invites Tomorou to join them, and so his sex life starts... [Edited from Himeya Shop]

Summer☆Camp
Summer☆Camp
NAN%
Tags
  • Shotacon Heroine
  • Summer Camp
  • Popular Protagonist
  • Promiscuity
  • Heroine with Swimsuits
Rating 6.0931 Users
Midara na Mansion
Midara na Mansion
NAN%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Kiss + 100 Kiss Tokku, Shidou Seri
Kiss + 100 Kiss Tokku, Shidou Seri
NAN%
Tags
  • Consensual Group Sex of One Female and Several Males
  • Completely Avoidable Netorare
  • Fictional Modern Day Japanese Countryside
  • Netorare Type A
  • Twin Handjob
Rating 6.5027 Users
Sweet Home ~H na Onee-san wa Suki Desu ka?~
Sweet Home ~H na Onee-san wa Suki Desu ka?~
NAN%
Tags
  • Family Life Comedy
  • Twin Buttjob
  • Non-blood-related Mother/Son Incest
  • Submissive Protagonist
  • Oneesan-type Heroine
Rating 6.87392 Users
Gokinjo Zukiai ~Rinjin Bijin Oyako Kousai~
Gokinjo Zukiai ~Rinjin Bijin Oyako Kousai~
NAN%
Tags
  • Heroine with Anal Hair
  • Oyakodon Ending
  • Sex with Sleepers
  • Sexual Devices
  • Condoms
Rating 6.5220 Users
Nariyuki → Papakatsu Girls!!
Nariyuki → Papakatsu Girls!!
NAN%
Tags
  • Ojicon
  • No Protagonist
  • Sex Involving Prostitution
  • Prostitute Heroine
  • Third-person Narrative
Rating 6.22207 Users
The Guts! -Maximum Maternity!-
The Guts! -Maximum Maternity!-
NAN%
Tags
  • Shotacon Heroine
  • Muscular Heroine
  • Co-worker Heroine
  • Orekko Heroine
  • Protagonist's Boss as a Heroine
Rating 7.0831 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
NAN%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Boy Meets Wives
Boy Meets Wives
NAN%
Tags
  • Middle School Student Protagonist
  • Infidelity
  • Completion Status Indicator
  • Heroine with Children
  • Short Sexual Scenes
Rating 6.7527 Users
Boku no Himitsu Taiken
Boku no Himitsu Taiken
NAN%
Tags
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Shotacon
  • Meaningless Choices
  • Blood-related Aunt/Nephew Incest
Rating 6.6132 Users
Bosei ~Mama Club~
Bosei ~Mama Club~
NAN%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Mother Support Character
  • Shota Protagonist
  • Straight Shotacon
Rating 6.6751 Users
Juicy Age
Juicy Age
NAN%
Tags
  • Oppai Loli Heroine
  • Shota Protagonist
  • Central Heroine
  • Heroine with Beauty Mark
  • Promiscuous Heroine
Rating 6.7738 Users
Mama! Tsuma?
Mama! Tsuma?
NAN%
Tags
  • Open Relationship
  • Protagonist's Non-blood-related Mother as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Netorase
Rating 6.6273 Users
Boku no "Natsuyasumi" Himitsu Taiken
Boku no "Natsuyasumi" Himitsu Taiken
NAN%
Tags
  • Landlady Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Tan Lines
Rating 6.8922 Users
Mama ★ Camp ~Mama to Issho ni Shizen e Kaerou~
Mama ★ Camp ~Mama to Issho ni Shizen e Kaerou~
NAN%
Tags
  • Summer Camp
  • Incest Romance
  • Heroine's Mother as a Heroine
  • Mother/Son Romance
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 6.9758 Users
Zoku Mama Club
Zoku Mama Club
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Rimming Handjob
  • Sex at Work
  • Consumption of Pornography
Rating 6.2839 Users
Nanpa Nama Hame Nakadashi Banzai 5
Nanpa Nama Hame Nakadashi Banzai 5
NAN%
Tags
  • Nanpa
  • Playboy Protagonist
  • Beach
  • Sex on a Beach
  • Long Sexual Scenes
Rating 6.4138 Users
Yarasete! Teacher Change
Yarasete! Teacher Change
NAN%
Tags
  • Perverted Friend
  • Hetare Protagonist
  • Feet Licking
  • Shota Protagonist
  • School Life Comedy
Rating 6.4937 Users
Hassha All Right♪ Inaka Ressha wa Hamerare Houdai!? ~Gyaru to Bunjo no Ojisan Ijiri~
Hassha All Right♪ Inaka Ressha wa Hamerare Houdai!? ~Gyaru to Bunjo no Ojisan Ijiri~
NAN%
Tags
  • Trains
  • Chikan Heroine
  • Completely Avoidable Rape by Others
  • Body Smell Fetish
  • Comedic Sex Scenes
Rating 5.3282 Users
Matty
Matty
NAN%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Netorare Shimai, Mia to Yumi ~Kurikaesareru Koibito Goudatsu
Netorare Shimai, Mia to Yumi ~Kurikaesareru Koibito Goudatsu
NAN%
Tags
  • Sister/Sister Incest
  • Sister Support Character
  • University Student Hero
  • Love Hotel
  • Only Non-Virgin Heroines
Rating 5.9045 Users
Sumeragi Ryouko no Bitch na 1 nichi
Sumeragi Ryouko no Bitch na 1 nichi
NAN%
Tags
  • Nympho Protagonist
  • Foreskin Play
  • Chikan Protagonist
  • Randomized Events
  • Teacher Protagonist
Rating 6.07132 Users
Mama Shibori 3 no Jijou
Mama Shibori 3 no Jijou
NAN%
Tags
  • Swinging
  • Only Older Heroines
  • Straight Shotacon
  • Shota Protagonist
  • Illness
Rating 6.6952 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Yagai Gakushuu
Yagai Gakushuu
58%
Tags
  • Summer Camp
  • Muted Obscenities
  • Promiscuity
  • Shotacon Heroine
  • Short Sexual Scenes
Rating 6.44214 Users
Yagai Gakushuu 2
Yagai Gakushuu 2
43%
Tags
  • Shotacon Heroine
  • Blind Choices
  • Summer Camp
  • Straight Shotacon
  • Fictional Modern Day Japanese Island
Rating 6.5986 Users
Boku no "Natsuyasumi" Himitsu Taiken
Boku no "Natsuyasumi" Himitsu Taiken
33%
Tags
  • Landlady Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Tan Lines
Rating 6.8922 Users
Mama! Tsuma?
Mama! Tsuma?
32%
Tags
  • Open Relationship
  • Protagonist's Non-blood-related Mother as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Netorase
Rating 6.6273 Users
Juicy Age
Juicy Age
31%
Tags
  • Oppai Loli Heroine
  • Shota Protagonist
  • Central Heroine
  • Heroine with Beauty Mark
  • Promiscuous Heroine
Rating 6.7738 Users
Boku no Himitsu Taiken
Boku no Himitsu Taiken
29%
Tags
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Shotacon
  • Meaningless Choices
  • Blood-related Aunt/Nephew Incest
Rating 6.6132 Users
Bosei ~Mama Club~
Bosei ~Mama Club~
28%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Mother Support Character
  • Shota Protagonist
  • Straight Shotacon
Rating 6.6751 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
27%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Boy Meets Wives
Boy Meets Wives
25%
Tags
  • Middle School Student Protagonist
  • Infidelity
  • Completion Status Indicator
  • Heroine with Children
  • Short Sexual Scenes
Rating 6.7527 Users
Zoku Mama Club
Zoku Mama Club
24%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Rimming Handjob
  • Sex at Work
  • Consumption of Pornography
Rating 6.2839 Users
Yarasete! Teacher Change
Yarasete! Teacher Change
24%
Tags
  • Perverted Friend
  • Hetare Protagonist
  • Feet Licking
  • Shota Protagonist
  • School Life Comedy
Rating 6.4937 Users
Matty
Matty
23%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Sumeragi Ryouko no Bitch na 1 nichi
Sumeragi Ryouko no Bitch na 1 nichi
20%
Tags
  • Nympho Protagonist
  • Foreskin Play
  • Chikan Protagonist
  • Randomized Events
  • Teacher Protagonist
Rating 6.07132 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
20%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Let
Let's la Go! Bokura no Jiyuu Kenkyuu
19%
Tags
  • Lesbian Lolicon
  • Shota Protagonist
  • Straight Shotacon
  • Shotacon
  • Exhibitionism
Rating 6.7138 Users
Mama Shibori 2 (Mama Shibori no Jijou)
Mama Shibori 2 (Mama Shibori no Jijou)
19%
Tags
  • Child Protagonist
  • Shota Protagonist
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Excessive Semen
Rating 7.3952 Users
Mama Club Sankan
Mama Club Sankan
19%
Tags
  • Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shotacon Heroine
  • Mother Support Character
  • Mother/Son Romance
Rating 6.9365 Users
Toshiue Lesson ~Mama to Oba-san to Sensei to~
Toshiue Lesson ~Mama to Oba-san to Sensei to~
19%
Tags
  • Obacon
  • Businesswoman Heroine
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Literary Adaptation
Rating 6.3921 Users
Yarasete! Teacher Sotsugyou
Yarasete! Teacher Sotsugyou
19%
Tags
  • Only Older Heroines
  • Heroine with Glasses
  • Single Ending
  • Teacher Heroine
  • Student Protagonist
Rating 5.9925 Users
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
19%
Tags
  • More Than Seven Heroines
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Consensual Group Sex of One Female and Several Males
  • Prostitute Heroine
Rating 6.4931 Users
Motto! Yagai Gakushuu ~Kaki Tokubetsu Koushuu Hen~
Motto! Yagai Gakushuu ~Kaki Tokubetsu Koushuu Hen~
18%
Tags
  • Summer Camp
  • Shotacon
  • Shota Protagonist
  • Child Protagonist
  • Straight Shotacon
Rating 6.4951 Users
Yagai Gakushuu 3
Yagai Gakushuu 3
18%
Tags
  • Promiscuity
  • Swinging
  • Shotacon
  • Summer Camp
  • Straight Shotacon
Rating 7.1081 Users
Yarasete! Teacher ~Gakuen Ryokou~
Yarasete! Teacher ~Gakuen Ryokou~
18%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Amusement Park
  • School Nurse Heroine
  • Onsen
Rating 6.1545 Users
Shin Yarasete! Teacher
Shin Yarasete! Teacher
18%
Tags
  • Shimaidon
  • Oyakodon
  • Shota Protagonist
  • Non-twin Heroine Sisters
  • Principal Heroine
Rating 6.7337 Users

Mousugu Natsuyasumi! has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
A novel needs atleast 20 owners before it's similarity is calculated.

Tags (53 total)

NameScoreImportanceWeight
Promiscuity2.752.276.25
Consensual Group Sex of One Female and Several Males3.002.036.09
Shota Protagonist3.001.855.56
Shotacon Heroine2.002.775.53
Straight Shotacon3.001.825.46
Lolicon3.001.735.19
Middle School Student Protagonist2.002.565.11
Middle School Student Heroine2.002.374.74
Group Sex1.802.624.71
School3.001.514.53
Group Sex of Multiple Females and Males3.001.494.47
Remote-controlled Vibrator2.002.064.13
Early Sexual Content3.001.233.68
Nympho Heroine2.001.833.67
Lots of Event CGs2.001.793.58
Loli Heroine3.001.193.56
Promiscuous Heroine2.001.763.51
Sexual Devices2.001.743.47
Submissive Protagonist1.502.283.42
Teacher Heroine2.501.363.41
School Life Comedy1.751.843.22
Threesome2.001.603.21
High Sexual Content3.001.053.15
Modern Day2.001.573.15
Heroine Having Sex with Others2.001.523.05
Heroine with Sexual Experience2.501.223.04
Branching Plot2.331.303.03
Handjob2.001.503.01
Butterfly2.001.502.99
Big Breast Sizes Heroine2.251.312.94
Short Sexual Scenes1.501.832.74
Naked Sprites2.501.052.63
Exhibitionism1.501.652.48
Protagonist's Childhood Friend as a Heroine2.001.142.28
Netorare1.501.512.27
Student Protagonist1.801.262.26
Blowjob2.001.112.23
Sex in Public Places2.001.092.17
Standing Sex2.001.062.11
Sitting Sex2.001.062.11
Outdoor Sex2.001.001.99
Nukige3.000.651.95
Missionary Position2.000.941.88
Group Sex of One Male and Several Females2.000.921.83
Romance2.000.901.79
Doggy Style2.000.801.61
Voyeurism1.001.601.60
Student Heroine1.600.991.59
Linear Plot1.001.381.38
Anal Penetration1.001.321.32
Sixty-nine1.001.071.07
Shotacon0.502.011.01
ADV2.670.150.39

Traits (110 total)

NameCharactersImportanceWeight
Sex with Others Engages in (Sexual)51.993.56
Casual Sex Engages in (Sexual)32.453.40
Off Screen Sex (obsolete) Engages in (Sexual)32.383.30
Kid Body91.373.15
New Type School Swimsuit Clothes22.522.77
Group Sex Engages in (Sexual)51.502.70
String Ribbon Tie Clothes31.822.52
Sex in Public Places Engages in (Sexual)61.262.45
Promiscuous Personality22.202.41
School Swimming Club President Role13.462.40
Voyeurism Engages in (Sexual)22.142.36
Black Eyes41.422.29
Pleated Skirt Clothes41.402.25
Sex in a Vehicle Engages in (Sexual)22.042.24
Naked Clothes21.952.15
Library Committee Member Role12.922.03
Sitting Sex Engages in (Sexual)21.832.01
Handjob Subject of (Sexual)21.751.93
Missionary Engages in (Sexual)21.741.91
PE Teacher Role12.751.90
Brown Eyes70.901.88
Parted in Middle Hair31.251.74
Sex with Children Engages in (Sexual)12.491.73
Consensual Group Sex of One Female and Several Males Engages in (Sexual)12.481.72
Classmate Role31.231.70
Masturbation with Object Engages in (Sexual)12.451.69
Blowjob Subject of (Sexual)21.521.67
Sex in Front of an Audience Engages in (Sexual)21.501.65
Reverse Missionary Engages in (Sexual)12.361.63
Ball-cupping Engages in (Sexual)12.341.62
Outdoor Sex Engages in (Sexual)31.161.60
Class President Role12.281.58
Loner Personality12.261.57
Tanline Body12.261.57
Not a Virgin Role21.421.56
Hair Tie Clothes21.411.54
Reverse Cowgirl Engages in (Sexual)12.221.54
Micro Bikini Clothes12.211.53
Tareme Eyes31.101.53
Seduction Engages in12.181.51
T-shirt Clothes21.311.44
Brown Hair70.681.42
Freckles Body12.051.42
Transfer Student Role12.021.40
Butterfly Engages in (Sexual)12.021.40
Neighbor Role12.001.38
Slim Body100.581.38
Voyeurism Subject of11.961.36
Vaginal Gaping Engages in (Sexual)11.951.35
Assertive Personality11.941.34
Antenna Hair11.931.33
Group Sex of Multiple Females and Males Engages in (Sexual)11.911.32
Friend Role21.201.32
Masturbation in front of an Audience Engages in (Sexual)11.901.32
Quickie Fix Engages in (Sexual)11.881.31
Black Hair40.811.30
Standing Sex Engages in (Sexual)11.871.30
Timid Personality11.861.29
Butterfly Subject of (Sexual)21.171.29
Doggy Style Subject of (Sexual)30.931.28
Handjob Engages in (Sexual)21.161.27
Boku Personality11.781.24
Missionary Subject of (Sexual)21.121.23
Anal Sex Engages in (Sexual)11.761.22
Side Tail Hair11.751.21
Reverse Missionary Subject of (Sexual)11.731.20
Vaginal/Anal Sexual Toys Subject of (Sexual)11.721.20
Sports Shoes Clothes11.721.20
Cowgirl Engages in (Sexual)11.721.19
Reserved Personality11.721.19
Quickie Fix Subject of (Sexual)21.081.19
Vaginal Fingering Subject of (Sexual)21.081.19
Short Hair60.611.18
Nipple Sucking Engages in (Sexual)11.701.18
Doggy Style Engages in (Sexual)11.691.17
Parted to Side Hair21.051.16
Sweater Clothes11.641.14
Popular Role11.631.13
Sex in Classroom Engages in (Sexual)11.611.11
Nipple Teasing Subject of (Sexual)11.571.09
Sex in Water Engages in (Sexual)11.561.08
Cunnilingus Engages in (Sexual)11.551.08
Sidehair Hair20.981.07
Cowgirl Subject of (Sexual)20.951.05
Student Role11.491.03
Hairpin Clothes11.400.97
Blunt Bangs Hair11.400.97
Masturbation Engages in (Sexual)11.390.96
Female Ejaculation Engages in (Sexual)11.370.95
Wavy Hair11.360.94
Virgin Sex Engages in (Sexual)20.850.93
Watashi Personality11.260.87
Childhood Friend Role11.260.87
Pale Body90.370.85
Friendly Personality11.220.85
Blowjob Engages in (Sexual)20.760.84
Long Hair20.750.83
Anal Sex Subject of (Sexual)11.190.82
Standing Sex Subject of (Sexual)11.180.82
Cunnilingus Subject of (Sexual)11.160.81
Twin Tails Hair11.130.78
Ponytail Hair11.100.76
Glasses Clothes11.080.75
Sitting Sex Subject of (Sexual)11.060.74
Thigh-high Stockings Clothes11.040.72
Kind Personality11.030.71
Spiky Bangs Hair11.000.69
Shoulder-length Hair10.920.64
Young-adult Body10.760.53
Teen Body10.620.43